/*
 * Copyright 2010 - Jeremie Brebec
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.jb.sharedbills.server.modules;

import java.util.Collections;
import java.util.Map;

import net.sf.jsr107cache.CacheException;
import net.sf.jsr107cache.CacheManager;

import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.Singleton;

public class CacheModule extends AbstractModule {

	/*
	 * (non-Javadoc)
	 * @see com.google.inject.AbstractModule#configure()
	 */
	@Override
	protected void configure() {}
	
	/**
	 * 
	 * @return
	 */
	@SuppressWarnings("unchecked")
	@Provides @Singleton @Memcache
	public Map<Object,Object> getCache() {
		try {
			return (Map) CacheManager.getInstance().getCacheFactory().createCache( Collections.emptyMap() );
		} catch (CacheException e) {
			return null; //? 
		}
	}
	

}
